{"id":8753,"date":"2026-10-07T09:32:58","date_gmt":"2026-10-07T09:32:58","guid":{"rendered":"https:\/\/dev95.site\/scientists-create-hexagonal-packed-ice-at-extreme-pressures\/"},"modified":"2026-10-07T09:32:58","modified_gmt":"2026-10-07T09:32:58","slug":"scientists-create-hexagonal-packed-ice-at-extreme-pressures","status":"publish","type":"post","link":"https:\/\/dev95.site\/ar\/scientists-create-hexagonal-packed-ice-at-extreme-pressures\/","title":{"rendered":"Scientists Create Hexagonal Packed Ice at Extreme Pressures"},"content":{"rendered":"<div id=\"dev95-954161204\" class=\"dev95-- dev95-entity-placement\"><script async=\"async\" data-cfasync=\"false\" src=\"https:\/\/pl27862732.profitableratecpmnetwork.com\/2ad7a50e0bbc23ac6801d7b77c501463\/invoke.js\"><\/script>\r\n<div id=\"container-2ad7a50e0bbc23ac6801d7b77c501463\"><\/div><\/div><div id=\"dev95-2627859247\" class=\"dev95-before-content dev95-entity-placement\"><p style=\"text-align: center;\"><strong>Stop wasting time on dead links! \ud83d\uded1 This smart platform automatically detects your device and country to give you the exact best offer instantly. Check it out now 100% free! \ud83d\udc47<\/strong><br data-sfc-root=\"ep\" data-sfc-pl=\"|||[]\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif, &quot;Noto Color Emoji&quot;; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\" \/><a href=\"https:\/\/www.profitableratecpmnetwork.com\/pvhx5mbcc?key=ff7d362db3c20bc86fad685cc94f1fc4\">\ud83d\udd17 <strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" aria-owns=\"action-menu-parent-container\" data-copy-service-computed-style=\"font-family: Arial, sans-serif, &quot;Noto Color Emoji&quot;; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">[Click here]<\/strong><\/a><\/p>\n<\/div><div>\n<div><img data-recalc-dims=\"1\" width=\"800\" height=\"450\" src=\"https:\/\/i0.wp.com\/hackaday.com\/wp-content\/uploads\/2018\/02\/neptune.jpg?resize=800%2C450&#038;ssl=1\" class=\"attachment-large size-large wp-post-image\" alt=\"\" style=\"margin: 0 auto; margin-bottom: 15px;\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/hackaday.com\/wp-content\/uploads\/2018\/02\/neptune.jpg 1000w, https:\/\/hackaday.com\/wp-content\/uploads\/2018\/02\/neptune.jpg?resize=250,141 250w, https:\/\/hackaday.com\/wp-content\/uploads\/2018\/02\/neptune.jpg?resize=400,225 400w, https:\/\/hackaday.com\/wp-content\/uploads\/2018\/02\/neptune.jpg?resize=800,450 800w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" data-attachment-id=\"294678\" data-permalink=\"https:\/\/hackaday.com\/2018\/02\/13\/mary-somerville-the-first-scientist\/neptune\/\" data-orig-file=\"https:\/\/hackaday.com\/wp-content\/uploads\/2018\/02\/neptune.jpg\" data-orig-size=\"1000,562\" data-comments-opened=\"1\" data-image-meta='{\"aperture\":\"0\",\"credit\":\"Getty Images\/iStockphoto\",\"camera\":\"\",\"caption\":\"Digital Illustration of Planet Neptune\",\"created_timestamp\":\"0\",\"copyright\":\"\",\"focal_length\":\"0\",\"iso\":\"0\",\"shutter_speed\":\"0\",\"title\":\"527343985\",\"orientation\":\"1\"}' data-image-title=\"Neptune\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Digital Illustration of Planet Neptune&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hackaday.com\/wp-content\/uploads\/2018\/02\/neptune.jpg?w=800\"><\/div>\n<p>One of the problems with planetary science is that you generally cannot easily investigate the exact conditions in their interior, so you\u2019re left to extrapolate what is happening inside them based on surface scans. One of the resulting questions is what ice giants like Neptune and Uranus in Earth\u2019s solar system have exactly at their core. We do know that it is mostly rocks and ice, but what kind of ice you end up with at these intense pressures is a good question that [Alexis Forestier] et al. set out to answer, with <a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/sdrk-3m4t\" target=\"_blank\">their results published<\/a> in a\u00a0<em>Physical Review Letter<\/em> paper (<a href=\"https:\/\/arxiv.org\/abs\/2510.24305\" target=\"_blank\">ArXiv preprint<\/a>).<\/p><div id=\"dev95-1547190421\" class=\"dev95- dev95-entity-placement\"><center>\r\n<script>\r\n  atOptions = {\r\n    'key' : '4ba6b6513c00e0ba76511f798ae56401',\r\n    'format' : 'iframe',\r\n    'height' : 50,\r\n    'width' : 320,\r\n    'params' : {}\r\n  };\r\n<\/script>\r\n<script src=\"https:\/\/www.highrevenueformat.com\/4ba6b6513c00e0ba76511f798ae56401\/invoke.js\"><\/script>\r\n\t<\/center><\/div>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1170890\" data-permalink=\"https:\/\/hackaday.com\/2026\/10\/06\/scientists-create-hexagonal-packed-ice-at-extreme-pressures\/ice_phases_forestier_et_al_2026\/\" data-orig-file=\"https:\/\/hackaday.com\/wp-content\/uploads\/2026\/09\/ice_phases_forestier_et_al_2026.jpg\" data-orig-size=\"525,659\" data-comments-opened=\"1\" data-image-meta='{\"aperture\":\"0\",\"credit\":\"\",\"camera\":\"\",\"caption\":\"\",\"created_timestamp\":\"0\",\"copyright\":\"\",\"focal_length\":\"0\",\"iso\":\"0\",\"shutter_speed\":\"0\",\"title\":\"\",\"orientation\":\"0\",\"alt\":\"\"}' data-image-title=\"ice_phases_forestier_et_al_2026\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/hackaday.com\/wp-content\/uploads\/2026\/09\/ice_phases_forestier_et_al_2026.jpg?w=498\" class=\"size-medium wp-image-1170890 alignright\" src=\"https:\/\/i0.wp.com\/hackaday.com\/wp-content\/uploads\/2026\/09\/ice_phases_forestier_et_al_2026.jpg?resize=319%2C400&#038;ssl=1\" alt=\"\" width=\"319\" height=\"400\" srcset=\"https:\/\/hackaday.com\/wp-content\/uploads\/2026\/09\/ice_phases_forestier_et_al_2026.jpg 525w, https:\/\/hackaday.com\/wp-content\/uploads\/2026\/09\/ice_phases_forestier_et_al_2026.jpg?resize=199,250 199w, https:\/\/hackaday.com\/wp-content\/uploads\/2026\/09\/ice_phases_forestier_et_al_2026.jpg?resize=319,400 319w, https:\/\/hackaday.com\/wp-content\/uploads\/2026\/09\/ice_phases_forestier_et_al_2026.jpg?resize=498,625 498w\" sizes=\"auto, (max-width: 319px) 100vw, 319px\"><\/p>\n<p>It\u2019s noteworthy that there isn\u2019t just water ice at these planetary cores, with this study only investigating water ice specifically. In order to get the water to the pressures it would experience courtesy of ice giant gravity, a diamond anvil was used, with synchrotron x-ray diffraction allowing for the changes to the sample to be observed.<\/p>\n<p>The <a href=\"https:\/\/en.wikipedia.org\/wiki\/Phases_of_ice\" target=\"_blank\">phase diagram of water<\/a> includes a number of phases beyond what us Earth-dwellers would call \u2018ice\u2019, with at higher pressures above about 80 GPa the formation of ice X, featuring a body-centered cubic (BCC) oxygen sublattice. Subsequent discovered phases were face-centered cubic (FCC) and now hexagonal close-packed (HCP) ice, all differing in the packing of the oxygen sublattice.<\/p>\n<p>In addition to extreme pressures, temperatures also had to be increased by using the laser heating feature of the diamond anvil. At around 2,000K and over 200 GPa the HCP phase was found, with a mixed FCC-HCP phase at intermediate pressures.<\/p>\n<p>Although not immediately providing answers to questions pertaining to the aforementioned ice giants, it gives planetary scientists yet another clue that they can use in future investigations, as well as provide more insight into this most fascinating phase of water that\u2019s actually its own little galaxy of phases.<\/p>\n<\/div>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_8753\" class=\"pvc_stats total_only  \" data-element-id=\"8753\" style=\"\"><i class=\"pvc-stats-icon large\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/i0.wp.com\/dev95.site\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif?resize=16%2C16&#038;ssl=1\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n<div id=\"dev95-43840260\" class=\"dev95-after-content dev95-entity-placement\"><p style=\"text-align: center;\"><strong>Finally, a link that actually works for your region and device! \ud83c\udf0d Get instant access to the top exclusive offers tailored just for you right now. Don&#8217;t miss out, click here! \ud83d\udc47<\/strong><br data-sfc-root=\"ep\" data-sfc-pl=\"|||[]\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: Arial, sans-serif, &quot;Noto Color Emoji&quot;; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\" \/><a href=\"https:\/\/www.profitableratecpmnetwork.com\/uzeja8ahze?key=bc876be53d6ad0ff6370ab8ea030e479\"><strong>\ud83d\udd17 [Click here]<\/strong><\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>One of the problems with planetary science is that you generally cannot easily investigate the exact conditions in their interior, so you\u2019re left to extrapolate what is happening inside them based on surface scans. One of the resulting questions is<\/p>\n<div class=\"hosteria-entry-more\"><a href=\"https:\/\/dev95.site\/ar\/scientists-create-hexagonal-packed-ice-at-extreme-pressures\/\" class=\"no-underline font-light  group-hover:text-primary-800 dark:group-hover:text-primary-300 py-1\">Read more &gt;&gt;&gt;<\/a><\/div>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_8753\" class=\"pvc_stats total_only\" data-element-id=\"8753\" style=\"\"><i class=\"pvc-stats-icon large\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dev95.site\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=\"0\" \/><\/p>\n<div class=\"pvc_clear\"><\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fp_fajr_begins":"","fp_fajr_iqamah":"","fp_dhuhr_begins":"","fp_dhuhr_iqamah":"","fp_asr_begins":"","fp_asr_iqamah":"","fp_maghrib_begins":"","fp_maghrib_iqamah":"","fp_isha_begins":"","fp_isha_iqamah":"","fp_midnight":"","fp_midnight_name":"","fp_sunrise":"","fp_single_prayer_begins_title":"","fp_single_prayer_iqamah_title":"","fp_prayer_times_for_today":"","fp_hijra_date":"","fp_fajr_name":"","fp_dhuhr_name":"","fp_asr_name":"","fp_maghrib_name":"","fp_isha_name":"","fp_sunrise_name":"","fp_currentDate":"","fp_current_time":"","fp_current_title":"","fp_current_location":"","fp_masjid_name":"","fp_prayer_title":"","fp_next_prayer_iqamah_time":"","fp_next_prayer_iqamah_title":"","fp_next_prayer_begins_time":"","fp_next_prayer_begins_title":"","fp_next_prayer_title":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[37],"tags":[],"class_list":["post-8753","post","type-post","status-publish","format-standard","hentry","category-posts"],"a3_pvc":{"activated":true,"total_views":0,"today_views":0},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Scientists Create Hexagonal Packed Ice at Extreme Pressures - Dev95<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dev95.site\/ar\/scientists-create-hexagonal-packed-ice-at-extreme-pressures\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Scientists Create Hexagonal Packed Ice at Extreme Pressures - Dev95\" \/>\n<meta property=\"og:description\" content=\"One of the problems with planetary science is that you generally cannot easily investigate the exact conditions in their interior, so you\u2019re left to extrapolate what is happening inside them based on surface scans. 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